Henry Langer and Patricia Langer challenge the tax court’s 1 decision, after a bench trial, concluding that their deficiency for tax year 2001 was $32,931, and that they were liable for a penalty in the amount of $6,586.20. Following careful review, see Campbell v. Comm’r, 164 F.3d 1140, 1142 (8th Cir. 1999) (standards of review for tax court decisions), we affirm for the reasons stated by the tax court. See 8th Cir. R. 47B.